Convertible Senior Notes - Schedule of Interest Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
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Debt Disclosure [Abstract] | ||||
Amortization of debt discount | $ 463 | $ 449 | $ 1,377 | $ 1,079 |
Amortization of debt issuance costs | 4,881 | 4,712 | 14,515 | 11,373 |
Capitalization of interest expense | (714) | (679) | (2,008) | (1,513) |
Interest expense | $ 4,630 | $ 4,482 | $ 13,884 | $ 10,939 |
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred. No definition available.
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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